X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=9e992be55c26e7fd50462fb4ac5748393d37862e;hp=37c0d40f9954f700107261f4c796d6c1aee8ea54;hb=f0701e2b0f4283ba558e7d8cab8e41cf11a19cdd;hpb=35010b4938a3425ad56f97e1eae3834cb99d7326

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 37c0d40f..9e992be5 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -1,13 +1,14 @@
 /*
-  Glaurung, a UCI chess playing engine.
-  Copyright (C) 2004-2008 Tord Romstad
+  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+  Copyright (C) 2008 Marco Costalba
 
-  Glaurung is free software: you can redistribute it and/or modify
+  Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
-  Glaurung is distributed in the hope that it will be useful,
+  Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
@@ -22,6 +23,7 @@
 ////
 
 #include <cassert>
+#include <map>
 #include <string>
 #include <sstream>
 #include <vector>
@@ -48,110 +50,152 @@ namespace {
   /// Types
   ///
 
-  enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON, OPTION_TYPE_NONE };
+  enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
 
   typedef std::vector<std::string> ComboValues;
 
-  struct Option
-  {
-    std::string name, defaultValue, currentValue;
+  struct Option {
+
+    std::string defaultValue, currentValue;
     OptionType type;
     int minValue, maxValue;
     ComboValues comboValues;
 
-    // Helper to convert a bool or an int to a std::string
-    template<typename T> std::string stringify(const T& v);
-
-    Option(const char* name, const char* defaultValue, OptionType = STRING);
-    Option(const char* name, bool defaultValue);
-    Option(const char* name, int defaultValue, int minValue, int maxValue);
+    Option();
+    Option(const std::string& defaultValue, OptionType = STRING);
+    Option(bool defaultValue, OptionType = CHECK);
+    Option(int defaultValue, int minValue, int maxValue);
   };
 
-  typedef std::vector<Option> Options;
+  typedef std::map<std::string, Option> Options;
 
   ///
   /// Constants
   ///
 
-  // load-defaults populates the options map with the hard
-  // coded options names and their default values.
+  // load_defaults populates the options map with the hard
+  // coded names and default values.
+
   void load_defaults(Options& o) {
 
-    o.push_back(Option("Use Search Log", false));
-    o.push_back(Option("Search Log Filename", "SearchLog.txt"));
-    o.push_back(Option("Book File", "book.bin"));
-    o.push_back(Option("Mobility (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Mobility (Endgame)", 100, 0, 200));
-    o.push_back(Option("Pawn Structure (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Pawn Structure (Endgame)", 100, 0, 200));
-    o.push_back(Option("Passed Pawns (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Passed Pawns (Endgame)", 100, 0, 200));
-    o.push_back(Option("Aggressiveness", 100, 0, 200));
-    o.push_back(Option("Cowardice", 100, 0, 200));
-    o.push_back(Option("King Safety Curve", "Quadratic", COMBO));
-
-       o.back().comboValues.push_back("Quadratic");
-       o.back().comboValues.push_back("Linear");  /*, "From File"*/
-
-    o.push_back(Option("King Safety Coefficient", 40, 1, 100));
-    o.push_back(Option("King Safety X Intercept", 0, 0, 20));
-    o.push_back(Option("King Safety Max Slope", 30, 10, 100));
-    o.push_back(Option("King Safety Max Value", 500, 100, 1000));
-    o.push_back(Option("Queen Contact Check Bonus", 4, 0, 8));
-    o.push_back(Option("Rook Contact Check Bonus", 2, 0, 4));
-    o.push_back(Option("Queen Check Bonus", 2, 0, 4));
-    o.push_back(Option("Rook Check Bonus", 1, 0, 4));
-    o.push_back(Option("Bishop Check Bonus", 1, 0, 4));
-    o.push_back(Option("Knight Check Bonus", 1, 0, 4));
-    o.push_back(Option("Discovered Check Bonus", 3, 0, 8));
-    o.push_back(Option("Mate Threat Bonus", 3, 0, 8));
-    o.push_back(Option("Check Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Check Extension (non-PV nodes)", 1, 0, 2));
-    o.push_back(Option("Single Reply Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Single Reply Extension (non-PV nodes)", 2, 0, 2));
-    o.push_back(Option("Mate Threat Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Mate Threat Extension (non-PV nodes)", 0, 0, 2));
-    o.push_back(Option("Pawn Push to 7th Extension (PV nodes)", 1, 0, 2));
-    o.push_back(Option("Pawn Push to 7th Extension (non-PV nodes)", 1, 0, 2));
-    o.push_back(Option("Passed Pawn Extension (PV nodes)", 1, 0, 2));
-    o.push_back(Option("Passed Pawn Extension (non-PV nodes)", 0, 0, 2));
-    o.push_back(Option("Pawn Endgame Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Pawn Endgame Extension (non-PV nodes)", 2, 0, 2));
-    o.push_back(Option("Full Depth Moves (PV nodes)", 14, 1, 100));
-    o.push_back(Option("Full Depth Moves (non-PV nodes)", 3, 1, 100));
-    o.push_back(Option("Threat Depth", 5, 0, 100));
-    o.push_back(Option("Selective Plies", 7, 0, 10));
-    o.push_back(Option("Futility Pruning (Main Search)", true));
-    o.push_back(Option("Futility Pruning (Quiescence Search)", true));
-    o.push_back(Option("Futility Margin 0", 50, 0, 1000));
-    o.push_back(Option("Futility Margin 1", 100, 0, 1000));
-    o.push_back(Option("Futility Margin 2", 300, 0, 1000));
-    o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
-    o.push_back(Option("Razoring Margin", 300, 150, 600));
-    o.push_back(Option("Randomness", 0, 0, 10));
-    o.push_back(Option("Minimum Split Depth", 4, 4, 7));
-    o.push_back(Option("Maximum Number of Threads per Split Point", 5, 4, 8));
-    o.push_back(Option("Threads", 1, 1, 8));
-    o.push_back(Option("Hash", 32, 4, 4096));
-    o.push_back(Option("Clear Hash", false));
-    o.push_back(Option("Ponder", true));
-    o.push_back(Option("OwnBook", true));
-    o.push_back(Option("MultiPV", 1, 1, 500));
-    o.push_back(Option("UCI_ShowCurrLine", false));
-    o.push_back(Option("UCI_Chess960", false));
+    o["Use Search Log"] = Option(false);
+    o["Search Log Filename"] = Option("SearchLog.txt");
+    o["Book File"] = Option("book.bin");
+    o["Mobility (Middle Game)"] = Option(100, 0, 200);
+    o["Mobility (Endgame)"] = Option(100, 0, 200);
+    o["Pawn Structure (Middle Game)"] = Option(100, 0, 200);
+    o["Pawn Structure (Endgame)"] = Option(100, 0, 200);
+    o["Passed Pawns (Middle Game)"] = Option(100, 0, 200);
+    o["Passed Pawns (Endgame)"] = Option(100, 0, 200);
+    o["Space"] = Option(100, 0, 200);
+    o["Aggressiveness"] = Option(100, 0, 200);
+    o["Cowardice"] = Option(100, 0, 200);
+    o["King Safety Curve"] = Option("Quadratic", COMBO);
+
+       o["King Safety Curve"].comboValues.push_back("Quadratic");
+       o["King Safety Curve"].comboValues.push_back("Linear");  /*, "From File"*/
+
+    o["King Safety Coefficient"] = Option(40, 1, 100);
+    o["King Safety X Intercept"] = Option(0, 0, 20);
+    o["King Safety Max Slope"] = Option(30, 10, 100);
+    o["King Safety Max Value"] = Option(500, 100, 1000);
+    o["Queen Contact Check Bonus"] = Option(3, 0, 8);
+    o["Queen Check Bonus"] = Option(2, 0, 4);
+    o["Rook Check Bonus"] = Option(1, 0, 4);
+    o["Bishop Check Bonus"] = Option(1, 0, 4);
+    o["Knight Check Bonus"] = Option(1, 0, 4);
+    o["Discovered Check Bonus"] = Option(3, 0, 8);
+    o["Mate Threat Bonus"] = Option(3, 0, 8);
+    o["Check Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Check Extension (non-PV nodes)"] = Option(1, 0, 2);
+    o["Single Reply Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Single Reply Extension (non-PV nodes)"] = Option(2, 0, 2);
+    o["Mate Threat Extension (PV nodes)"] = Option(0, 0, 2);
+    o["Mate Threat Extension (non-PV nodes)"] = Option(0, 0, 2);
+    o["Pawn Push to 7th Extension (PV nodes)"] = Option(1, 0, 2);
+    o["Pawn Push to 7th Extension (non-PV nodes)"] = Option(1, 0, 2);
+    o["Passed Pawn Extension (PV nodes)"] = Option(1, 0, 2);
+    o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2);
+    o["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2);
+    o["Full Depth Moves (PV nodes)"] = Option(14, 1, 100);
+    o["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100);
+    o["Threat Depth"] = Option(5, 0, 100);
+    o["Selective Plies"] = Option(7, 0, 10);
+    o["Futility Pruning (Main Search)"] = Option(true);
+    o["Futility Pruning (Quiescence Search)"] = Option(true);
+    o["Futility Margin (Quiescence Search)"] = Option(50, 0, 1000);
+    o["Futility Margin Scale Factor (Main Search)"] = Option(100, 0, 1000);
+    o["Maximum Razoring Depth"] = Option(3, 0, 4);
+    o["Razoring Margin"] = Option(300, 150, 600);
+    o["LSN filtering"] = Option(true);
+    o["LSN Time Margin (sec)"] = Option(4, 1, 10);
+    o["LSN Value Margin"] = Option(200, 100, 600);
+    o["Randomness"] = Option(0, 0, 10);
+    o["Minimum Split Depth"] = Option(4, 4, 7);
+    o["Maximum Number of Threads per Split Point"] = Option(5, 4, 8);
+    o["Threads"] = Option(1, 1, 8);
+    o["Hash"] = Option(32, 4, 4096);
+    o["Clear Hash"] = Option(false, BUTTON);
+    o["Ponder"] = Option(true);
+    o["OwnBook"] = Option(true);
+    o["MultiPV"] = Option(1, 1, 500);
+    o["UCI_ShowCurrLine"] = Option(false);
+    o["UCI_Chess960"] = Option(false);
   }
 
-
   ///
   /// Variables
   ///
 
   Options options;
 
-  // Local functions
-  template<typename T> T get_option_value(const std::string& optionName);
-  Options::iterator option_from_name(const std::string& optionName);
+  // stringify converts a value of type T to a std::string
+  template<typename T>
+  std::string stringify(const T& v) {
+
+     std::ostringstream ss;
+     ss << v;
+     return ss.str();
+  }
+
+  // We want conversion from a bool value to be "true" or "false",
+  // not "1" or "0", so add a specialization for bool type.
+  template<>
+  std::string stringify<bool>(const bool& v) {
+
+    return v ? "true" : "false";
+  }
+
+  // get_option_value implements the various get_option_value_<type>
+  // functions defined later, because only the option value
+  // type changes a template seems a proper solution.
+
+  template<typename T>
+  T get_option_value(const std::string& optionName) {
 
+      T ret = T();
+      if (options.find(optionName) == options.end())
+          return ret;
+
+      std::istringstream ss(options[optionName].currentValue);
+      ss >> ret;
+      return ret;
+  }
+
+  // Unfortunatly we need a specialization to convert "false" and "true"
+  // to proper bool values. The culprit is that we use a non standard way
+  // to store a bool value in a string, in particular we use "false" and
+  // "true" instead of "0" and "1" due to how UCI protocol works.
+
+  template<>
+  bool get_option_value<bool>(const std::string& optionName) {
+
+      if (options.find(optionName) == options.end())
+          return false;
+
+      return options[optionName].currentValue == "true";
+  }
 }
 
 ////
@@ -170,24 +214,19 @@ void init_uci_options() {
   // According to Ken Dail's tests, Glaurung plays much better with 7 than
   // with 8 threads.  This is weird, but it is probably difficult to find out
   // why before I have a 8-core computer to experiment with myself.
-  Options::iterator it = option_from_name("Threads");
-
-  assert(it != options.end());
+  assert(options.find("Threads") != options.end());
+  assert(options.find("Minimum Split Depth") != options.end());
 
-  it->defaultValue = Min(cpu_count(), 7);
-  it->currentValue = Min(cpu_count(), 7);
+  options["Threads"].defaultValue = stringify(Min(cpu_count(), 7));
+  options["Threads"].currentValue = stringify(Min(cpu_count(), 7));
 
   // Increase the minimum split depth when the number of CPUs is big.
   // It would probably be better to let this depend on the number of threads
   // instead.
-  if(cpu_count() > 4)
+  if (cpu_count() > 4)
   {
-      it = option_from_name("Minimum Split Depth");
-
-      assert(it != options.end());
-
-      it->defaultValue = 6;
-      it->currentValue = 6;
+      options["Minimum Split Depth"].defaultValue = "6";
+      options["Minimum Split Depth"].currentValue = "6";
   }
 }
 
@@ -201,28 +240,30 @@ void print_uci_options() {
     "spin", "combo", "check", "string", "button"
   };
 
-  for (Options::iterator it = options.begin(); it != options.end(); ++it)
+  for (Options::const_iterator it = options.begin(); it != options.end(); ++it)
   {
-      std::cout << "option name " << it->name
-                << " type "       << optionTypeName[it->type];
+      const Option& o = it->second;
+      std::cout << "option name " << it->first
+                << " type "       << optionTypeName[o.type];
 
-      if (it->type != BUTTON)
+      if (o.type != BUTTON)
       {
-          std::cout << " default " << it->defaultValue;
+          std::cout << " default " << o.defaultValue;
 
-          if (it->type == SPIN)
-              std::cout << " min " << it->minValue
-                        << " max " << it->maxValue;
+          if (o.type == SPIN)
+              std::cout << " min " << o.minValue
+                        << " max " << o.maxValue;
 
-          else if (it->type == COMBO)
-              for(ComboValues::iterator itc = it->comboValues.begin();
-                  itc != it->comboValues.end(); ++itc)
+          else if (o.type == COMBO)
+              for (ComboValues::const_iterator itc = o.comboValues.begin();
+                  itc != o.comboValues.end(); ++itc)
                       std::cout << " var " << *itc;
       }
       std::cout << std::endl;
   }
 }
 
+
 /// get_option_value_bool() returns the current value of a UCI parameter of
 /// type "check".
 
@@ -244,7 +285,7 @@ int get_option_value_int(const std::string& optionName) {
 
 
 /// get_option_value_string() returns the current value of a UCI parameter as
-/// a string.  It is used with parameters of type "combo" and "string".
+/// a string. It is used with parameters of type "combo" and "string".
 
 const std::string get_option_value_string(const std::string& optionName) {
 
@@ -252,32 +293,15 @@ const std::string get_option_value_string(const std::string& optionName) {
 }
 
 
-/// button_was_pressed() tests whether a UCI parameter of type "button" has
-/// been selected since the last time the function was called.
-
-bool button_was_pressed(const std::string& buttonName) {
-
-  if (get_option_value<bool>(buttonName))
-  {
-    set_option_value(buttonName, "false");
-    return true;
-  }
-
-  return false;
-}
-
-
-/// set_option_value() inserts a new value for a UCI parameter.  Note that
+/// set_option_value() inserts a new value for a UCI parameter. Note that
 /// the function does not check that the new value is legal for the given
-/// parameter:  This is assumed to be the responsibility of the GUI.
+/// parameter: This is assumed to be the responsibility of the GUI.
 
 void set_option_value(const std::string& optionName,
                       const std::string& newValue) {
 
-  Options::iterator it = option_from_name(optionName);
-
-  if (it != options.end())
-      it->currentValue = newValue;
+  if (options.find(optionName) != options.end())
+      options[optionName].currentValue = newValue;
   else
       std::cout << "No such option: " << optionName << std::endl;
 }
@@ -292,59 +316,33 @@ void push_button(const std::string& buttonName) {
 }
 
 
-namespace {
-
-    // methods and c'tors of Option class.
-
-    template<typename T>
-    std::string Option::stringify(const T& v)
-    {
-        std::ostringstream ss;
-        ss << v;
-
-        return ss.str();
-    }
-
-    Option::Option(const char* nm, const char* def, OptionType t)
-    : name(nm), defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {}
-
-    Option::Option(const char* nm, bool def)
-    : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(CHECK), minValue(0), maxValue(0) {}
-
-    Option::Option(const char* nm, int def, int minv, int maxv)
-    : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {}
-
+/// button_was_pressed() tests whether a UCI parameter of type "button" has
+/// been selected since the last time the function was called, in this case
+/// it also resets the button.
 
-    // get_option_value is the implementation of the various
-    // get_option_value_<type>, because only the option value
-    // type changes a template is the proper solution.
+bool button_was_pressed(const std::string& buttonName) {
 
-    template<typename T>
-    T get_option_value(const std::string& optionName) {
+  if (!get_option_value<bool>(buttonName))
+	  return false;
 
-        T ret;
+  set_option_value(buttonName, "false");
+  return true;
+}
 
-        Options::iterator it = option_from_name(optionName);
 
-        if (it != options.end())
-        {
-            std::istringstream ss(it->currentValue);
-            ss >> ret;
-        }
-        return ret;
-    }
+namespace {
 
+  // Define constructors of Option class.
 
-    // option_from_name returns an iterator to the option
-    // with name optionName.
+  Option::Option() {} // To allow insertion in a std::map
 
-    Options::iterator option_from_name(const std::string& optionName) {
+  Option::Option(const std::string& def, OptionType t)
+  : defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {}
 
-        for (Options::iterator it = options.begin(); it != options.end(); ++it)
-            if (it->name == optionName)
-                return it;
+  Option::Option(bool def, OptionType t)
+  : defaultValue(stringify(def)), currentValue(stringify(def)), type(t), minValue(0), maxValue(0) {}
 
-        return options.end();
-    }
+  Option::Option(int def, int minv, int maxv)
+  : defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {}
 
 }